<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <title></title>

    <link rel="stylesheet" href="/3.14/css/index.css">
</head>

<body style="width: 100%; height: 200px; background-color: blanchedalmond;">
    <div class="box">
        <p>我是box的儿子</p>
        <span>我是box的儿子span</span>
    </div>

</body>

</html>